Quality Commercial Services in PA, MD and DE

Man Working on a Commercial Generator Your home comfort is our first priority.

The service of your commercial heating, air conditioning, and refrigeration systems is a vital part of the equipment's life. As your systems run hard, you need them serviced to keep them at their peak efficiency.


Donaldson's Alternative Energy, LLC, can handle all of your commercial heating, air conditioning and refrigeration system needs. You work hard to get the best results for your business. Your systems work hard as well to give you the comfort you desire. Our job is to keep them serviced so you both you and your system can comfortably work at your best. 


The commercial industry relies heavily on equipment to perform everyday operations. Keeping your systems clean and regularly serviced not only keeps repair costs down, but also saves your company a lot of money. 


Donaldson's Alternative Energy, LLC, offers simple checks on all of your commercial equipment. This includes heating, air conditioning and refrigeration system needs. You can count on us to offer expertise suggestions on new equipment and sizes. We also will install the system whether it's a rooftop unit or a refrigeration system in a store. 


Contact Donaldson's Alternative Energy, LLC, and let us repair, replace and maintain your commercial equipment today. 


Furnace Service Checklist

  • Check thermostat
  • Chimney/venting
  • Heat exchanger (clean)
  • Clean blower components
  • Air filter clean or change
  • Air flow calculation
  • Clean burner assembly
  • Check ignition assembly
  • General visual inspection
  • Test combustion over performance
  • Adjust pressures of fuel
  • Check for leaks
  • Check duct work for proper sizing
  • Lubricate as needed
  • Test combustion over performance
  • Test safeties
  • Test system for proper operation
  • Check amp draw
  • Relay all info to the customer

AC Heat Pump Service Checklist

  • Check thermostat
  • Air filter (clean or change)
  • Air flow calculation
  • Clean evaporator coil
  • Clean drain and trap
  • Clean blower components
  • Clean condensate pump
  • Visual overall conditions
  • Clean condenser coils
  • Clean condenser fan
  • Electrical inspection
  • Check amp draw
  • Pressures of freon
  • Equipment application
  • Duct work sizing
  • Lubricate as needed
  • Test controls
  • Test system for proper operation
  • Relay all info to customer

Call Us Today!

Donaldson's Alternative Energy LLC 

267 Black Barren Road 
Peach Bottom,  PA  17563



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24-Hour Emergency Service Available !